Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

Novo Nordisk has launched the first GLP-1 weight-loss pill in the US at prices well below injectable rivals.The once-daily Wegovy pill, approved just before Christmas, is the only oral drug mimicking the GLP-1 hormone.Self-pay patients can access the starting dose for $149 a month, far cheaper than typical injections.Higher doses will range from $199 to $299 monthly, while insured patients…